package 引用;

import java.util.concurrent.TimeUnit;

/**
 * @author:谢君臣
 * @Date:2021/10/2-22:51
 * @version:1.0
 * @function:
 */
public class 强引用 {
    public static void main(String[] args) throws InterruptedException {
        Source source = new Source();
        System.gc();
        source = null;
        System.gc();
        Thread.sleep(10000);
    }
}
